a dva plus dva
a dva plus dva ?
ä WORD_BOUNDARY d̪̻ ʋ ä WORD_BOUNDARY p l u s̪̻ WORD_BOUNDARY d̪̻ ʋ ä WORD_BOUNDARY
a WORD_BOUNDARY d v a WORD_BOUNDARY p l u s WORD_BOUNDARY d v a WORD_BOUNDARY ? WORD_BOUNDARY